| Acronym | Meaning |
| AAQS | Ambient Air Quality Standard (USEPA) |
| SEW | Site Electron-density Wave |
| SIC | Silicon Integrated Circuit |
| FAK | Focal Adhesion Kinase |
| TARIS | Thermal Atomization Resonance Ionization Spectrometry |
| IRZ | Immediate Response Zone |
| PDF | Planar Deformation Feature |
| HNN | Hybrid Neural Network |
| NASN | National Air Sampling Network |
| SLRS | Selective Laser Reactive Sintering |